DEV Community

Discussion on: Map, Filter, Reduce vs For Loops (syntax)

View post

Replies for: Then with a mutable accumulator : const reducer = (filter, map) => (acc, x) => (filter(x) && acc.push(map(x)), acc)

 
joelnet profile image
JavaScript Joel • • Edited

Awesome!

I'm a big fan of the comma operator. I decided to leave it out in this code block to not confuse anyone. But I use it pretty regularly in my own codebase.